436 FUXGUS-FLORA. 



flaccid, at first plano-convex, but broadly and deeply nmbili- 

 cate, at length entirely concave (not infundibuliform), 1-2 

 in. broad, sooty when moist, grey or hoary tan when dry, 

 margin even. Flesh tough, pallid. Gills decurrent, arcuate, 

 closely crowded, 1-2 lines broad, dark smoky-grej^ At first 

 sight suggesting the genus OmpJialia, and agreeing in habit 

 with 0. maiira, but the stem is entirely fibrous, and the gills 

 in 0. maura are white. (Fries.) 



Distinguished from C. ditojpa by the absence of smelL 



Clitocybe brumalis. Fr. 



Pileus about 1 in. across, flesh thin, expanded, umbilicate 

 then infundibuliform and usually variously waved and lobed, 

 glabrous, flaccid, hygrophanous, livid, whitish or yellowish 

 when dry, disc often darlcer ; gills decurrent, about 1 line 

 broad, crowded, pallid; stem up to 2 in. long and about 2 

 lines thick, nearly equal, slightly curved, glabrous, whitish, 

 often compressed, imperfectly hollow ; spores 4—5 X 3—4 fx. 



Agaricus (Clitocyhe) brumalis. Fries, Epicr., p. 76; Cke., 

 Hdbk., p. 59; Cke., Illustr., pi.' 114. 



In woods, &c. 



Truly autumnal, being most abundant in November. 

 There are two forms. (A.) on pine leaves in pine woods ; (B.) 

 among heather. (A.) Stem rather firm, hollow, about 2 in. 

 long, 2 lines thick, equal or slightly thickened at the apex, 

 at length compressed, somewhat incurved, glabrous, naked, 

 becoming livid, white when dry, base white and downy. 

 Flesh of pileus membranaceous, at first convex, umbilicate, 

 margin reflexed, about 1 in. across, then infundibuliform, 

 often irregular and undulate, up to 2 in broad, glabrous, even, 

 livid when moist, whitish then becoming yellowish when 

 dr}^ disc at first usually darker; gills decurrent, at first 

 arcuate, then descending, 1 line broad, crowded, distinct, 

 livid then yellowish white, smell weak, not unpleasant. (B.) 

 Entirely watery white ; stem hollow, somewhat striate, base 

 glabrous; pileus infundibuliform, margin deflexed, milky- 

 white when dry. Gills less crowded, but rather broader, 

 whitish. (Fries.) 



